Shimabara Peninsula Martyrs Memorial Cathedral, in Shimabara
This Cathedral is house of prayer for tens of thousands Christians who were martyred
between 1612 and 1658 throughout the Shimabara Peninsula.
It was built in 1997 to commemorate the 400th anniversary of the martyrdom of 26
Japanese Saints and the 360th anniversary of the Shimabara Rebellion.
The Cathedral is a beautiful octagonal building with a large octagonal dome.